1066777 has 2 divisors, whose sum is σ = 1066778. Its totient is φ = 1066776.

The previous prime is 1066757. The next prime is 1066789. The reversal of 1066777 is 7776601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1042441 + 24336 = 1021^2 + 156^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066777 - 2¹⁵ = 1034009 is a prime.

It is a super-2 number, since 2×1066777² = 2276026335458, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1066757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533388 + 533389.

It is an arithmetic number, because the mean of its divisors is an integer number (533389).

2^1066777 is an apocalyptic number.

It is an amenable number.

1066777 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066777 is an equidigital number, since it uses as much as digits as its factorization.

1066777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 1066777 is about 1032.8489725028. The cubic root of 1066777 is about 102.1781137591.

The spelling of 1066777 in words is "one million, sixty-six thousand, seven hundred seventy-seven".